7. This tortoise is eating cactus on a sunny day. Is carbon moving into the air, moving out of the air, or both? a Carbon is not moving into the air; it is only moving out of the air. B With this information, there is no way to know for sure. C Carbon is only moving into the air; it is not moving out of the air. D Carbon is moving into the air and out of the air at the same time.
